Go Kart Spindles

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OzFab

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Sorry to be critical but, straight off, I see two problems with your spindles:

1. The stub axle bolt you used is 5/8" (or 15.875mm) but the bushes (that's another story) appear to be at least 17mm. This will cause axcessive movement & uneven wear.

2. Now, I have no idea of your experience, knowledge or backgroound but, IMO, the steel you've used is way too narrow for a 5/8" bolt; I was taught that the hole should not exceed 1/3 the size of the metal; ie: to end up with a 5/8" hole, you need to use at least 1 3/4" wide steel (which explains why your washers are so big), not to mention that a 5/8" kingpin seems a bit excessive for a go kart...
 

ScareCorpGears

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I found some 3/4in bolts that might fit those wheels nicely, and i will take your advise and make those spindles 2in x 1/4. that should make it pretty sturdy.
 

mysteryboy28

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appreciate the videos, but maybe less talking, more action? it takes you a little longer than needed to demonstrate simple steps. i think the videos are a great way to show your work, and possibly help other karters with some of the basics. but just as with any drawn-out documentary style video - too much talking and not enough action can put a viewer to sleep. lol. "now i'm going to open a box. the box is made of cardboard. i will use a knife to open the box. i will place the knife on one end, and slide it to the other end. then i will open the box. i will now look inside the box. inside the box i see some things. those things may or may not be important. but for this video they will be important. maybe...". lol. hopefully you get my drift. maybe throw a hot chick in the video once in awhile? lol.

also, the axle stubs being that long will cause problems. physics from the tires being so far from the king pin will eventually bend the front of the kart in ways you don't want it to, especially after hitting a few hard bumps. your little springs won't help much with those hard bumps. the C-brackets should fit INSIDE the rim of the tire, so that the tire can be much closer to the king pin bolt. i don't see any steering geometry either. the C-brackets SHOULD be leaning back and in (slightly), to help with high speed stability and cornering and steering. don't forget to use Ackerman for proper steering angles!

are there bearings inside the front tire rims? you don't want bare metal rubbing on bare metal, especially at high speeds continuously.
 

ScareCorpGears

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I know I talk lots but there is just so much god **** info to relay. And I appreciate your advise but if you think about it you are not the target audience for this video, you are an expert that has seen this stuff timeless of times so it's boring, I think this is more for first timers, 2nd timers that want to see a different way. The video's for you are the ones after these ones, when I go Romping wit it.

I will have to see about getting shorter axle stubs, lol I just welded mine on last night again, I might be able to mod it again.

Thanks for the info
Cheers,
ScareCorpGears
 

zoom1

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Seems like a lot of work when decent spindle kits are available for less then $20 a side.
 

ScareCorpGears

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zoom1 you are probably right, but where is the fun in that? to each his own i guess.

cheers,
ScareCorpGears
 
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